REMOVE

1. Arctica

WHAT

1. Data Visualization (1)
2. Separate Map (1)

WHERE

1. Antarctica (1)
2. World (1)

WHO

1. Glavnoe Upravlenie Geodez … (1)
2. Kuznetsova, O.L. (1)
3. Shuran, E. M. (1)

WHEN

1. 1970 (1)